Dr. Gaurav Bhatnagar is an Assistant Professor with the Department of Mathematics at the Indian Institute of Technology Jodhpur (IITJ), India. He completed his Bachelor of Science from K.L.D.A.V Degree College, Roorkee (2003) and his Master of Science in Applied Mathematics at Indian Institute of Technology, Roorkee (2005). He also completed his Doctor of Philosophy (Ph.D) in interdisciplinary area of Applied Mathematics and Computer Science such as Wavelet Analysis, Multimedia Security, Information Fusion at Indian Institute of Technology, Roorkee (2010). His research interests lie in the broad area of wavelet and fractional transform theory, with applications in digital watermarking, encryption techniques, biometrics and mathematical image analysis.